Fujitsu AU G18LVLB Series Service Instruction page 77
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Also See for AU G18LVLB Series:
- Design & technical manual (253 pages) ,
- Service instruction (70 pages) ,
- Service instruction (101 pages)
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Trouble shooting 33
OUTDOOR UNIT Error Method:
Compressor Control Error
Detective Actuators:
Compressor
Transistor PCB
Forecast of Cause :
1. Defective connection of electric components
Check Point 1 : Check Noise from Compressor
Turn on Power and check operation noise.
If an abnormal noise show, replace Compressor.
OK
OK
Check Point 2 : Check connection of around the Compressor components
For Compressor Terminal, Main PCB
Check if connector is removed.
Check erroneous connection.
Check if cable is open.
(Refer to PARTS INFORMATION 2)
>>Upon correcting the removed connector or mis-wiring, reset the power.
OK
OK
Check Point 3: Check Transistor PCB
Check IPM. (PARTS INFORMATION 7)
>> If IPM is abnormal, replace Transistor PCB.
OK
OK
Check Point 4: Replace Compressor
If Check Point 4 do not improve the symptom, change Compressor.
Indicate or Display:
Indoor Unit : Operation lamp: 9 time Flash,
Timer lamp: 5 time Flash
Economy lamp : Continuous flash.
ERROR CODE : [E : 95]
Detective details:
While running the compressor, if the detected rotor location is out of
phase with actual rotor location more than 90°,
the compressor stops.
After the compressor restarts, if the same operation is repeated
within 40sec, the compressor stops again.
If
and
repeats 5 times, the compressor stops permanently.
2.
Compressor failure
02-38
Outdoor unit :
PUMP
LOW
POWER
DOWN
NOISE
ERROR
(L1)
(L2)
(L3)
(L4)
MODE
9
5
2
3.
Transistor PCB failure
PEAK
CUT
(L5)
(L6)
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Table of Contents
Troubleshooting
